Underwater drainage device with dual collection chambers



FIG. 1 is a front elevational view of an underwater drainage deviceshowing the new design;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a rear elevational view of the underwater drainage deviceshown in FIG. 1;

FIG. 4 is a bottom plan view of FIG. 1;

FIG. 5 is an end elevational view of the right hand end of the deviceshown in FIG. 1;

FIG. 6 is a left end elevational view of the device shown in FIG. 1; and

FIG. 7 is a top perspective view of the underwater drainage device shownin FIG. 1.

The ornamental design for an underwater drainage device with dualcollection chambers, as shown and described.